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Diagnostic Manual, Engines, Volume 1

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LOCATION:    B.1 Test and Adjustment Jobs    >   23 B 1 Engine Test, Adjustment


B 1 Engine Test, Adjustment 1)

07-1100 15)


With starting or warm up complaints do not condition engine to operating conditions but proceed according to complaint.

Listing of Test Steps

1 Test equipment connect/disconnect according to connection diagram
2 Throttle control linkage check throttle valve for free movement and condition. Lubricate bearings, gate levers and ball sockets.
3 Engine coolant level check, correct.
4 Engine oil temperature check.
5 Engine control module version Ignition: ON read, only possible using HHT, see Parts Microfiche, group 54.
6 DTC's in engine control module (ME-SFI) Ignition: ON read using HHT .
7 Engine oil level check, observe condition of oil.
8 Fuel tank level check.
9 WOT contact, CTP contact at pedal value sensor check.
10 Fuel pressure

WARNING!
Release pressure using 2 or 3 way valve on gauge.
check.
11 Engine rpm at Idle (transmission selector lever in P/N position) check.
12 ECT check.
13 IAT check.
14 Ignition timing check.
15 Throttle valve angle check.
16 Throttle valve stop check.
17 Battery voltage check.
18 Purge valve on-off ratio check.
19 Injection time Engine: at Idle check.
20 EA actuator check.
21 Deceleration shut-off Engine: decelerating check.
22 AIR pump Engine: at idle check.
23 CTP and WOT recognition check.
24 Camshaft adjustment solenoid check.
25 Camshaft Hall-effect sensor check.
26 Air mass Engine: at Idle check.
27 MAP voltage check.
28 O2S 1 voltage (before TWC) check.
29 Lambda control (before TWC) check.
30 O2S 2 voltage (after TWC) check.
31 Lambda control (after TWC) check.
32 Self-adaptation Engine: at Idle/partial load check.
33 Transmission range (selector lever position P/N) check.
34 A/C compressor check.
35 Purge control system check.
36 Safety fuel shut-off check.
37 Torque check.
38 Idle speed under load check with selector lever in "D"(with service and parking brake applied) and consumers on.
1) Only possible using HHT (Test and Adjustment Data, section A).
15) Time Guide operation no. and/or SMS job no.